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      1 #! /usr/bin/ksh
      2 #
      3 # CDDL HEADER START
      4 #
      5 # The contents of this file are subject to the terms of the
      6 # Common Development and Distribution License (the "License").
      7 # You may not use this file except in compliance with the License.
      8 #
      9 # You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10 # or http://www.opensolaris.org/os/licensing.
     11 # See the License for the specific language governing permissions
     12 # and limitations under the License.
     13 #
     14 # When distributing Covered Code, include this CDDL HEADER in each
     15 # file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16 # If applicable, add the following below this CDDL HEADER, with the
     17 # fields enclosed by brackets "[]" replaced with your own identifying
     18 # information: Portions Copyright [yyyy] [name of copyright owner]
     19 #
     20 # CDDL HEADER END
     21 #
     22 #
     23 # ident	"%Z%%M%	%I%	%E% SMI"
     24 #
     25 # Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
     26 # Use is subject to license terms.
     27 #
     28 
     29 usage()
     30 {
     31 	echo "usage: bld_vernote -R <revision> -r <release> -o <outfile.s>"
     32 }
     33 
     34 pad_notestring()
     35 {
     36 	extra=$1
     37 	len=$(( ${#notestring} + $extra ))
     38 	padlen=$(( $len % 4 ))
     39 	while [[ $(( $len % 4)) != 0 ]]
     40 	do
     41 		notestring="${notestring}\0"
     42 		len=$(( $len + 1 ))
     43 	done
     44 }
     45 
     46 
     47 build_sparcnote()
     48 {
     49 	notestring="Solaris Link Editors: $release-$revision\0"
     50 	#
     51 	# The 'adjustment' is for the '\0'
     52 	#
     53 	pad_notestring -1
     54 
     55 cat > $notefile <<EOF
     56 	.section	".note"
     57 
     58 #include <sgs.h>
     59 
     60 	.align	4
     61 	.word	.endname - .startname	/* note name size */
     62 	.word	0			/* note desc size */
     63 	.word	0			/* note type */
     64 .startname:
     65 	.ascii	"$notestring"
     66 .endname:
     67 
     68 	.section	".rodata", #alloc
     69 	.global		link_ver_string
     70 link_ver_string:
     71 	.type		link_ver_string, #object
     72 	.ascii	"${release}-${revision}\0"
     73 	.size	link_ver_string, .-link_ver_string
     74 EOF
     75 }
     76 
     77 build_i386note()
     78 {
     79 	notestring="Solaris Link Editors: $release-$revision"
     80 	#
     81 	# The 'adjustment' is for the the fact that the x86/amd64
     82 	# assembler automatically append a '\0' at the end of a string.
     83 	#
     84 	pad_notestring -1
     85 cat > $notefile <<EOF
     86 	.section	.note
     87 
     88 #include <sgs.h>
     89 
     90 	.align	4
     91 	.long	.endname - .startname	/* note name size */
     92 	.long	0			/* note desc size */
     93 	.long	0			/* note type */
     94 .startname:
     95 	.string	"$notestring"
     96 .endname:
     97 
     98 	.section	.rodata, "a"
     99 	.globl		link_ver_string
    100 link_ver_string:
    101 	.type	link_ver_string,@object
    102 	.string	"${release}-${revision}\0"
    103 	.size	link_ver_string, .-link_ver_string
    104 EOF
    105 }
    106 
    107 
    108 notefile=""
    109 release=""
    110 revision=""
    111 
    112 while getopts DR:o:r: c
    113 do
    114 	case $c in
    115 	o)
    116 		notefile=$OPTARG
    117 		;;
    118 	r)
    119 		release=$OPTARG
    120 		;;
    121 	R)
    122 		revision=$OPTARG
    123 		;;
    124 	\?)
    125 		usage
    126 		exit 1
    127 		;;
    128 	esac
    129 done
    130 
    131 if [[ ( -z $notefile ) || ( -z $release ) || ( -z $revision ) ]]; then
    132 	usage
    133 	exit 1
    134 fi
    135 
    136 
    137 if [[ $MACH = "sparc" ]]; then
    138 	build_sparcnote
    139 elif [[ $MACH = "i386" ]]; then
    140 	build_i386note
    141 else
    142 	echo "I don't know how to build a vernote.s for ${MACH}, so sorry"
    143 	exit 1
    144 fi
    145